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Re: Not Java related, anyone know a way to passthrough a web site?

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On Tue, 03 Jul 2018 11:46:30 -0700, Eric Douglas wrote:

> On Tuesday, July 3, 2018 at 11:35:15 AM UTC-4, Eric Douglas wrote:
>> 
>> We just moved our website, I changed the IP in our DNS and now it
>> doesn't
> 
> As far as I can tell, our marketing company is not too bright.  It
> appears they set up our new website to resolve without www. and it
> appears there should be an option on that host to resolve it with the
> www, and if you resolve it without and the site name matches the
> internal domain and you have an internal web service running there is no
> way to get to the web site.  I don't know what sort of trouble it could
> cause to rename an internal domain.  Our best bet is to see if those
> idiots can add the www.

Been there, done that. The LAN domain should NOT be the same as the 
external domain. That just causes problems as you're finding out.

My LAN is private and has only a few hosts on it, which made changing the 
internal domain name very easy: my external domain is a .org, so all the 
FQDNs on my LAN end in .lan - yes, its non-standard but, as it will not/
should not resolve externally and I don't accept inward traffic: it gets 
retrieved from my ISP's smarthost by getmail and passed to my internal 
mailserver for spam scanning and delivery, so who cares that the internal 
TLD is nonstandard? Not me, for sure. 

I run an internal webserver which is never externally visible. It serves 
private pages internally and also holds the master copies of my public 
websites. These are hosted externally and maintained by FTP, i.e. 
replacement and new web pages are developed internally and published by 
sending them to the webhost.
 
I think something like this should work for you too: your public-facing 
firewall is, or should be, capable of forwarding incoming traffic (mail, 
web traffic, etc) to the relevant internal host and excluding everything 
else, so your use of private host names internally shouldn't be a problem 
or visible externally.

You might also consider routing all mail through an internal company 
mailserver and closing the firewall to direct outgoing mail, because the 
mailserver can rewrite the From header to hide internal host names. 
Before you ask: yes, I've been doing this for years without any problem. 
Side benefits are:

- this makes archiving both inbound and outbound business mail very easy

- it allows you to use a spam scanner on both inbound and outbound mail.


-- 
Martin    | martin at
Gregorie  | gregorie dot org

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Thread

Not Java related, anyone know a way to passthrough a web site? Eric Douglas <e.d.programmer@gmail.com> - 2018-07-03 08:34 -0700
  Re: Not Java related, anyone know a way to passthrough a web site? Eric Douglas <e.d.programmer@gmail.com> - 2018-07-03 11:46 -0700
    Re: Not Java related, anyone know a way to passthrough a web site? Martin Gregorie <martin@mydomain.invalid> - 2018-07-03 19:25 +0000
      Re: Not Java related, anyone know a way to passthrough a web site? Eric Douglas <e.d.programmer@gmail.com> - 2018-07-03 13:56 -0700

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